This very simple sketch scans the I 2 C-bus for devices. If a device is found, it is reported to the Arduino serial monitor. This sketch is the first step to get the I 2 C communication working. The ...

A lot of great ICs use I2C to communicate, but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful ...

🔍 Universal port and I2C device scanner for Arduino, ESP32, and ESP8266 microcontrollers. Automatically detects active ports, connected sensors, and I2C devices with automatic identification. Arduino ...